large handful coriander stalks
large handful coriander leaves, finely chopped
陆 cucumber, finely chopped
3 garlic cloves, left whole
1 lemon, zest only
6 small green mangoes (or 2 large mangoes), peeled and thinly sliced
陆 red onion, chopped
1 spring onion, thinly sliced
1 tbsp mustard seed oil
fine sea salt, to season
pinch of sugar
2 whole fresh fish (preferably sea bass or rainbow trout) weighing approximately 300g/10陆oz each, gutted